To Catch a Thief (1955) is a great movie for a lot of reasons — Alfred Hitchcock directs! Cary Grant and Grace Kelly star! Edith Head‘s costume designs! Gorgeous shots of the French Riviera! It’s a fun, entertaining movie about two Americans trying to catch a cat burglar in the south of France. And yes, it’s a contemporary movie, set in the period it was filmed. But near the end of the film, there’s an extended sequence set at a masquerade ball (during which the thief is expected to strike again